8 entries under ill topic. ×

2
poorly(adjective, sick, failing, unwell)
2
sickly(adjective, sick, unwell, ailing)
2
under the weather(expression, adjective, sick, unwell)
2
unwell(adjective, sick, ailing)
1
ailing(adjective, sick, unwell)
1
sick(adjective, unwell, ailing)
0
below par(expression, adjective, sick, unwell)
0
failing(adjective, unwell, poorly, weakening)
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APASmart Define. (2015). not well thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/not_well/thesaurus/synonyms
ChicagoSmart Define. 2015. "not well thesaurus" https://smartdefine.org/not_well/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, not well thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/not_well/thesaurus/synonyms>.
MLASmart Define. "not well thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/not_well/thesaurus/synonyms>